> On Fri, Jul 17, 2020 at 7:01 AM Michael Paquier <michael(at)paquier(dot)xyz> wrote: > > > Hmm. Knowing if a leader is actually running parallel query or not > > requires a lookup at lockGroupMembers, that itself requires a LWLock. > > I think that it would be better to not require that. So what if > > instead we logged %P only if Myproc has lockGroupLeader set and it > > does *not* match MyProcPid?
That's what I said first, so +1 for that approach.